US Bridges

Nfa A251 over Kilburn Branch

Good

Wayne County, Tennessee · 3.7 MI W of Lawrence Co. · Structure no. 910A2510001

Built
2015
10 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A251 over Kilburn Branch is a concrete continuous culvert carrying Nfa A251 over Kilburn Branch in Wayne County, Tennessee. It was built in 2015, so it is 10 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 11% of them trucks, projected to reach 240 by 2042. The structure is 25 ft (7.5 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A251
CrossesKilburn Branch
Location3.7 MI W of Lawrence Co.
RouteCounty Highway 251
Coordinates35.188, -87.6613
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width35 ft (10.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic240 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A251 over Kilburn Branch built?

It was built in 2015, making it 10 years old in 2025.

What condition is Nfa A251 over Kilburn Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Nfa A251 over Kilburn Branch carry?

About 150 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Nfa A251 over Kilburn Branch?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 35 ft wide.

Who owns Nfa A251 over Kilburn Branch?

It is owned by the County Highway Agency.